21331302119 has 2 divisors, whose sum is σ = 21331302120. Its totient is φ = 21331302118.

The previous prime is 21331302079. The next prime is 21331302169. The reversal of 21331302119 is 91120313312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21331302119 is a prime.

It is a super-2 number, since 2×21331302119² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21331302169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665651059 + 10665651060.

It is an arithmetic number, because the mean of its divisors is an integer number (10665651060).

Almost surely, 2^21331302119 is an apocalyptic number.

21331302119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331302119 is an equidigital number, since it uses as much as digits as its factorization.

21331302119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 21331302119 in words is "twenty-one billion, three hundred thirty-one million, three hundred two thousand, one hundred nineteen".